package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.ModelAndView;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 */
//@Slf4j
////@ResponseBody
////@ControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
//@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
//public class GulimallExceptionControllerAdvice {
//
//
//    @ExceptionHandler(value= MethodArgumentNotValidException.class)
//    public R handleVaildException(MethodArgumentNotValidException e){
//        log.error("数据校验出现问题{}，异常类型：{}",e.getMessage(),e.getClass());
//        BindingResult bindingResult = e.getBindingResult();
//
//        Map<String,String> errorMap = new HashMap<>();
//        bindingResult.getFieldErrors().forEach((fieldError)->{
//            errorMap.put(fieldError.getField(),fieldError.getDefaultMessage());
//        });
//        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(),BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data",errorMap);
//    }
//
//    @ExceptionHandler(value = Throwable.class)
//    public R handleException(Throwable throwable){
//
//        log.error("错误：",throwable);
//        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(),BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
//    }
//
//
//}

@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
@Slf4j
public class GulimallExceptionControllerAdvice {


    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{}",e.getMessage());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> map = new HashMap<>();
        bindingResult.getFieldErrors().forEach(item->{
            map.put(item.getField(),item.getDefaultMessage());
        });
        return R.error(BizCodeEnume.VALID_EXCEPTION).put("data",map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        log.error("错误:"+throwable);
        return R.error();
    }


}
